# 프로 vs 헬로월드

The clearest difference is ads: 프로 at none against 헬로월드's shown. 프로 also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

프로 ships an update every 8 days, 헬로월드 every 9 days. Both last shipped on October 18, 2026.

## The numbers

| Metric | 프로 | 헬로월드 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 9 days |
| Size | 20 MB | 91 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IEA CO.,LTD.](https://appshunter.io/developer/1572406483) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 프로

[App page](https://appshunter.io/ios/app/id6444329620)

**In-app purchases:** none


### 헬로월드

[App page](https://appshunter.io/ios/app/1/id6761419804)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 프로 free?

프로 is free to download, with no in-app purchases.

### Is 헬로월드 free?

헬로월드 is free to download, with no in-app purchases.

### Do 프로 or 헬로월드 have ads?

헬로월드 shows ads; 프로 does not.

### Which is updated more often, 프로 or 헬로월드?

프로 ships an update every 8 days, and 헬로월드 every 9 days. Most recently, 프로 was updated on October 18, 2026 and 헬로월드 on October 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*